Finding the Fourth Proportional to 31,060.19, 42,863.23 and 16,913.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,060.19 : 42,863.23 = 16,913.04 : x
2. Step 2: Convert to fraction form
   31,060.19/42,863.23 = 16,913.04/x
3. Step 3: Cross multiply
   31,060.19x = 42,863.23 × 16,913.04
4. Step 4: Simplify right side
   31,060.19x = 724,947,523.52
5. Step 5: Solve for x
   x = 724,947,523.52/31,060.19
6. Step 6: Final answer
   x = 23,340.09